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Individual
DR. MATTHEW J NIEDZWIECKI
Active
Individual
DR. MATTHEW J NIEDZWIECKI
Active
Sole proprietor
Yes
Provider details
NPI number
Gender
Man
Credential
MD
Taxonomy
Speciality
Code
Description
License number
State
2084P0800X
Psychiatry Physician
Primary
036.130526
IL
2084P0800X
Psychiatry Physician
2017-01279
NC
2084P0800X
Psychiatry Physician
22784
NH
2084P0800X
Psychiatry Physician
25MA10564100
NJ
2084P0800X
Psychiatry Physician
C156972
CA
2084P0800X
Psychiatry Physician
MD60749657
WA
2084P0800X
Psychiatry Physician
V8156
TX
Other
Enumeration date
10/23/2009
Last updated
01/12/2026
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